﻿//////////////////////////////////////////////////////////////////////////////
//
// Copyright © 1998-2024 Glodon Company Limited.
//
// Licensed under the MIT License
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the “Software”),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
//////////////////////////////////////////////////////////////////////////////
#pragma once

#include "ui_PickFilterDlg.h"
#include "IWidget.h"
#include "IDockablePickFilterWidget.h" // 不是必须的，为了UI层方便创建PickFilterDlg
#include "QDialog"
#include "QTreeWidget"

namespace gcmp
{
    class IDocument;
    class IUiDocument;
    class UniIdentity;
    class IUiDocumentEventHandler;
    class IUiViewEventHandler;

    class PickFilterDlg : public QDialog, public IDockablePickFilterWidget
    {
        Q_OBJECT

    public:
        PickFilterDlg(gcmp::IDocument* pDoc, QWidget *parent = nullptr);
        ~PickFilterDlg();

        virtual IDock * GetOwnerDock() override;

        virtual void SetEnabled(bool bEnable) override;
        virtual void UpdateStatus() override {}
    public:
        static IDockablePickFilterWidget * Get();
        static IDockablePickFilterWidget * Create(const IPickFilterWidgetInitializer & initializer);
        static std::wstring GetDockName() { return L"PickFilterDlg"; }

        QSize sizeHint() const;

    protected:
        void keyPressEvent(QKeyEvent *event);

    public:
        static void UpdateQTree(gcmp::IUiDocument* pUIDoc);

    private slots:
        void OnTreeItemClicked(QTreeWidgetItem* pItem, int index);

    private:
        void SetCurDoc(gcmp::IDocument* pDoc) { m_pDoc = pDoc; }
        void InitQTree();
        void UpdateQTree();
        void SetCategoryIds(const std::vector<gcmp::UniIdentity>& categoryIds);

        gcmp::UniIdentity FindSelectedCategoryId(QTreeWidgetItem* pItem, int index);
        bool WhetherChildItemsAllChecked(QTreeWidgetItem* pItem, bool& hasChecked, bool& hasUnChecked);

    private:
        Ui::PickFilterDlg   m_ui;
        IDocument*     m_pDoc;
        std::vector<UniIdentity>  m_categoryIds;
        OwnerPtr<IUiDocumentEventHandler> m_opUiDocEventHandler;
        OwnerPtr<IUiViewEventHandler> m_opUiViewEventHandler;
    };
}
